True or false

1. When the simulation ends as instructed, it waits and processes all the entities in the system before ending.

2. In Arena a departure event always schedules the next departure.

3.It is possible to have more than one arrival events in an event calendar.

4.An attribute assigned some value for processing can only be used by one resource.

5.Multiple replications of simulation of stochastic systems are absolutely necessary to establish the confidence intervals of system output variables.